Home / 155,851.02-215,073.90-84,230.82

Finding the Fourth Proportional to 155,851.02, 215,073.90 and 84,230.82

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Solution

The fourth proportional to 155,851.02, 215,073.90 and 84,230.82 is: 116,238.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,851.02 : 215,073.90 = 84,230.82 : x
  2. Step 2: Convert to fraction form
    155,851.02/215,073.90 = 84,230.82/x
  3. Step 3: Cross multiply
    155,851.02x = 215,073.90 × 84,230.82
  4. Step 4: Simplify right side
    155,851.02x = 18,115,850,957.60
  5. Step 5: Solve for x
    x = 18,115,850,957.60/155,851.02
  6. Step 6: Final answer
    x = 116,238.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.